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Finding the Fourth Proportional to 243,326.37, 335,783.57 and 135,893.25

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Solution

The fourth proportional to 243,326.37, 335,783.57 and 135,893.25 is: 187,528.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,326.37 : 335,783.57 = 135,893.25 : x
  2. Step 2: Convert to fraction form
    243,326.37/335,783.57 = 135,893.25/x
  3. Step 3: Cross multiply
    243,326.37x = 335,783.57 × 135,893.25
  4. Step 4: Simplify right side
    243,326.37x = 45,630,719,944.44
  5. Step 5: Solve for x
    x = 45,630,719,944.44/243,326.37
  6. Step 6: Final answer
    x = 187,528.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.